Surgery – Truss – Pad
Patent
1987-06-09
1989-05-16
Watts, Douglas D.
Surgery
Truss
Pad
17 111R, 128354, 132 735, A61B 1700
Patent
active
048300047
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to depilating appliances which are so designed as to be held in one hand and which are provided with movable hair-plucking members driven by an electric motor housed within a small casing.
A certain number of appliances of this type already exist.
Thus French patent application 2,307,491 describes an appliance in which two pairs of rollers rotate in opposite directions for plucking-out hairs as they engage between these latter. This appliance, however, is of limited efficiency. This is due to the nature of the elements employed for plucking hairs. These latter are in fact not gripped between the two rollers in a sufficiently effective manner. Furthermore, the point at which the hairs are effectively gripped between the two rollers, or in other words the point of contact between these latter, is necessarily set back with respect to the corresponding end of the casing of the appliance. In consequence, this appliance is capable of gripping and plucking-out only hairs which already have a certain length.
There exist other depilating appliances which are also equipped with rotating rollers for plucking-out hairs, for example the appliance described in French patent application 2,334,320. However, the efficiency of these appliances is equally unsatisfactory. In addition, the cost price of these appliances is relatively high on account of the presence of the mechanisms which are necessary for driving in rotation the elements used for plucking-out hairs to be removed.
It is for these reasons that the object of the present invention is to produce a small appliance which has the same intended function but which is so designed as to offer optimum efficiency while nevertheless requiring limited capital outlay.
To this end, said appliance is essentially characterized in that the hair-plucking members provided in this latter are so designed that they can be coupled with an actuating member subjected to a reciprocating translational movement and they accordingly consist of two combs which are mounted for translational motion along the same axis as the motor-driven actuating member but only one of which is coupled with the actuating member whilst the other is mounted for free motion, the teeth of said two combs being located in interengaged relation in the same plane with a certain clearance between each other.
Thus, when the movable combs of this appliance are displaced on the skin, the hairs to be plucked-out engage quite naturally between the teeth of these latter. However, the displacement of the driven comb in one direction has the effect of gripping these hairs between the teeth of said comb and those of the free-motion comb which is subsequently actuated by the driven comb, thus having the effect of plucking-out the hairs. The same applies when the two combs subsequently move in the opposite direction, and so on.
Under these conditions, the present appliance is endowed with very high efficiency. However, by virtue of the very nature of its conceptual design, its working head is very simple and does not have any complicated or costly mechanism. Moreover, this working head can be driven by a mechanical device of very simple design of the same type as those provided in many electric shavers. Furthermore, the working head of the present appliance alone constitutes one of the objects of the present invention since said head can be adapted to the actuating dog provided in certain appliances which already exist.
In an advantageous embodiment of the present appliance, the movable combs of this latter are formed by two superposed plates, the longitudinal edges of which are cut-out on each side in such a manner as to form the teeth of the two pairs of combs and are elbowed so as to ensure that the interengaged teeth of each comb are located in the same plane.
However, other particular features and advantages of the present appliance will become apparent from the following description of one embodiment of this latter. This description is given solely by way of indication with reference to the acc
REFERENCES:
patent: 1065438 (1913-06-01), Maclaren
patent: 2004581 (1935-06-01), Meyer
patent: 2917056 (1959-12-01), Dolan, Sr.
patent: 3081782 (1963-03-01), Funk
patent: 4079741 (1978-03-01), Daar et al.
patent: 4179772 (1979-12-01), Harben
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